Wis Kojohnjaratkul
Senior Data Scientist, GenAI
Las Vegas, Nevada, United States
Summary
👤
Senior🎓
Top SchoolWis Kojohnjaratkul is a Senior Data Scientist specializing in Generative AI and production-grade LLM systems, with nine years of experience building enterprise AI at Experian from prototype to flagship product. He led development of the Experian Virtual Assistant (EVA), an agentic RAG-powered chatbot across web and mobile that combines credit-domain knowledge with secure customer attribute access, and previously built voice and employment-verification automations integrating GPT-4, Twilio, Deepgram, and ElevenLabs. His background spans custom Transformer training in PyTorch, NLIDB and Text2SQL innovations, large-scale ETL and geolocation pipelines, and on-chain DeFi credit experiments—demonstrating a rare mix of ML research, scalable engineering, and product delivery. A UC San Diego CS graduate with a near-perfect GPA, he also runs internal technical seminars and reading groups, signaling both deep technical curiosity and an ability to translate cutting-edge research into practical systems.
9 years of coding experience
6 years of employment as a software developer
University of California, San Diego
Github Skills (22)
dialect10
evaluation9
sqlalchemy9
evaluation-framework9
nlp8
transformer8
natural-language-processing8
teradata8
pytorch7
large-language-models7
machine-learning7
tensorflow7
deep-learning7
python7
language-model7
Programming languages (2)
Github contributions (5)
wiskojo/wiskojo.github.io
Apr 2018 - Aug 2022
Contributions:100 pushes, 1 branch in 4 years 4 months
wiskojo/sqlalchemy-teradata
Jul 2018 - Sep 2018
A SQLAlchemy dialect for Teradata
Contributions:32 pushes, 5 branches in 2 months
teradatapythondialectsqlalchemy
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